Plunging share of Democratic voting base that is white (left chart) means voters increasingly think of the typical Rep. as white and Dem. as nonwhite. This racialization has biggest impact on negative view of other party. Racialized party system emerging https://t.co/55Rycat7rf pic.twitter.com/XNtVIbUJmn
— Eric Kaufmann (@epkaufm) September 20, 2018